AS210146
Dawid Lewandowski
AS210146 is Dawid Lewandowski (sp4dkf.pl). It announces 256 IPv4 addresses in 1 prefixes, and 1 IPv6 prefixes.
Poland· RIPE· allocated 2025-04-22· business
256
IPv4 addresses announced
1
IPv4 prefixes
1
IPv6 prefixes
50.00%
of its routes RPKI-valid
256
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Poland256 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SP4DKF
- name
- Dawid Lewandowski
- org
- ORG-DKF1-RIPE
- org name
- Dawid Lewandowski
- org address
- P.O. Box 9, Bialystok 19, 15-859 Bialystok, POLAND
- org country
- PL
- country
- PL
- source
- ripe
- status
- ASSIGNED
- created
- 2025-04-22
- updated
- 2025-04-22
- descr
- Ham radio and network enthusiast
- maintainer
- RIPE-NCC-END-MNT|SP4DKF-MNT
- abuse name
- Abuse contact role object
- abuse email
- abuse@sp4dkf.pl
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP256100.00%
- None here
- None here
- None here
- None here
- 0.39%
- 0.78%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 44.32.186.0/24 | Poland | not found | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a14:7581:fee::/48 | Poland | valid | 19 | 2026-10-02 |
00 · Evaluate
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.
01 · License
Then license what you use.
Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell — priced by scope, not by seat.
Annual terms, a named contact, and flexible payment terms — monthly, quarterly or yearly.